static public TwoDimensionIndexSequenceCollection ToSequences <T>(this IEnumerable <int[]> indexes, IArrayDefinition array)
{
var sequences = new List <TwoDimensionIndexSequence>();
int sequenceI = 0;
int sequenceJ = 0;
int length = 0;
int[] predictedIndex = null;
foreach (int[] index in indexes)
{
if (predictedIndex != null && !predictedIndex.Equals(index))
{
sequences.Add(new TwoDimensionIndexSequence(sequenceI, sequenceJ, length));
length = 0;
}
if (length == 0)
{
sequenceI = index[0];
sequenceJ = index[1];
}
length++;
if (predictedIndex == null)
{
predictedIndex = new int[2];
}
Array.Copy(index, predictedIndex, index.Length);
array.MoveIndex(predictedIndex, 0);
}
return(new TwoDimensionIndexSequenceCollection(sequences));
}
public bool MoveNext() => _array.MoveIndex(Current);
